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 <title><![CDATA[s7-200与变频器通讯]]></title>
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 <description><![CDATA[Latest 50 replies of s7-200与变频器通讯]]></description>
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 <description><![CDATA[[quote]引用第1楼山大王于2013-10-11 10:48发表的&nbsp;&nbsp;:
3为正，8为负
[/quote]
我的变频器只有一个接线端子，怎么连接两根线]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1439556#1495577.html]]></link>
 <author><![CDATA[lzwen630]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 11 Oct 2013 08:00:27 +0000]]></pubdate>
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 <description><![CDATA[可是我们变频器只有一个引脚可以接线的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1439556#1495576.html]]></link>
 <author><![CDATA[lzwen630]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 11 Oct 2013 07:59:13 +0000]]></pubdate>
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 <description><![CDATA[3为正，8为负]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1439556#1495465.html]]></link>
 <author><![CDATA[山大王]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 11 Oct 2013 02:48:38 +0000]]></pubdate>
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